4557540 has 48 divisors (see below), whose sum is σ = 13745088. Its totient is φ = 1121664.

The previous prime is 4557533. The next prime is 4557557. The reversal of 4557540 is 457554.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 4557498 and 4557507.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2142 + ... + 3701.

It is an arithmetic number, because the mean of its divisors is an integer number (286356).

Almost surely, 2^4557540 is an apocalyptic number.

It is an amenable number.

4557540 is an abundant number, since it is smaller than the sum of its proper divisors (9187548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4557540 is a wasteful number, since it uses less digits than its factorization.

4557540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5868 (or 5866 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 30.

The square root of 4557540 is about 2134.8395724269. The cubic root of 4557540 is about 165.7970617259.

The spelling of 4557540 in words is "four million, five hundred fifty-seven thousand, five hundred forty".